Home / 38,186.37-52,695.77-21,418.29

Finding the Fourth Proportional to 38,186.37, 52,695.77 and 21,418.29

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Solution

The fourth proportional to 38,186.37, 52,695.77 and 21,418.29 is: 29,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,186.37 : 52,695.77 = 21,418.29 : x
  2. Step 2: Convert to fraction form
    38,186.37/52,695.77 = 21,418.29/x
  3. Step 3: Cross multiply
    38,186.37x = 52,695.77 × 21,418.29
  4. Step 4: Simplify right side
    38,186.37x = 1,128,653,176.54
  5. Step 5: Solve for x
    x = 1,128,653,176.54/38,186.37
  6. Step 6: Final answer
    x = 29,556.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.